Amplitude modulation (AM) was first introduced to enable long-range wireless audio communication, representing a major advancement over wireless telegraphy using spark-gap transmitters. Understanding ...

A novel signal quantization scheme based on adaptive differential pulse code modulation (ADPCM) is proposed and experimentally demonstrated. By adaptively adjusting the quantization step size using a ...

A PCM-Based Vocoder/Decoder, a voice codec software based on PCM of voice signals to send over data network, whose quantizer provides both mid-rise and mid-tread quantization techniques, and an ...

Conclusion: Pulse Width Modulation Simplifies Power Delivery When PWM is used as a DAC to generate analog waveforms, a reconstruction filter as shown in Figure 1a is required, and the filtered ...

Abstract: We propose a digital-cascaded-pulse-code-modulation radio-over-fiber (DCP-RoF) scheme and verify it experimentally in a coherent transmission system. The 50-Gbaud 2-order 6-bit DCP-RoF ...

The cables come with XLPE insulation rated for RHW-2 and XHHW-2, making them compliant to the NFPA 79 code, 2018 Edition. SAB VFD cables carry NEC TC-ER ratings, indicating that the cables can be ...

Many of the amino acids that make up proteins are encoded by genetic material in more than one way. An information theorist explains how principles of nature may account for this variance.

Pulse Width Modulation (PWM) is a technique used to control the intensity of a signal or digital output through the manipulation of its duty cycle. Initially developed for use in audio equipment, PWM ...